Concave vs Convex
Difference, Examples & Quiz
What's the difference? Which one is correct?
Definition: Concave refers to a surface or shape that curves inward, like the inside of a bowl or a cave.
Usage: Concave surfaces are commonly found in lenses, mirrors, and certain types of dishes.
- 1. The concave mirror reflected the light and created a magnified image.
- 2. The concave lens helped correct the patient's nearsightedness.
- 3. The concave shape of the bowl allowed the soup to collect in the center.
Definition: Convex refers to a surface or shape that curves outward, like the exterior of a sphere or a bulging lens.
Usage: Convex surfaces are commonly used in magnifying glasses, camera lenses, and rearview mirrors.
- 1. The convex lens focused the sunlight and started a fire.
- 2. The convex mirror provided a wider field of view for the driver.
- 3. The convex shape of the magnifying glass made the text appear larger.
Concave and convex are both terms used to describe the shape of an object. Concave refers to a surface that curves inward, like the inside of a bowl. Convex, on the other hand, refers to a surface that curves outward, like the outside of a sphere.
Concave vs Convex: 5 Quizzes
1. What is the shape of a spoon?
2. Which type of lens is used in a magnifying glass?
3. What type of mirror is used in a car's rearview mirror?
4. Which type of lens is used in a camera zoom lens?
5. What is the shape of a cave entrance?
FAQs
What is a concave shape?
A concave shape is a shape that curves inward, like the inside of a bowl.
Give an example of a concave object.
A spoon is an example of a concave object.
What is a convex shape?
A convex shape is a shape that curves outward, like the outside of a ball.
Provide an example of a convex object.
A magnifying glass is an example of a convex object.
What are some properties of concave and convex shapes?
Concave shapes have at least one interior angle greater than 180 degrees, while convex shapes have all interior angles less than 180 degrees.